EP4180409A4 - Method for manufacturing 2-chloro-1,1-difluoroethane (hcfc-142), 1,1,2-trifluoroethane (hfc-143), and (e)-1,2-difluoroethylene (hfo-1132 (e)) and/or (z)-1,2-difluoroethylene (hfo-1132 (z)) - Google Patents

Method for manufacturing 2-chloro-1,1-difluoroethane (hcfc-142), 1,1,2-trifluoroethane (hfc-143), and (e)-1,2-difluoroethylene (hfo-1132 (e)) and/or (z)-1,2-difluoroethylene (hfo-1132 (z)) Download PDF

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Publication number
EP4180409A4
EP4180409A4 EP21838009.5A EP21838009A EP4180409A4 EP 4180409 A4 EP4180409 A4 EP 4180409A4 EP 21838009 A EP21838009 A EP 21838009A EP 4180409 A4 EP4180409 A4 EP 4180409A4
Authority
EP
European Patent Office
Prior art keywords
difluoroethylene
hfo
trifluoroethane
difluoroethane
hcfc
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP21838009.5A
Other languages
German (de)
French (fr)
Other versions
EP4180409A1 (en
Inventor
Megumi KUSHIDA
Kazuhiro Takahashi
Tsubasa NAKAUE
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Daikin Industries Ltd
Original Assignee
Daikin Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Daikin Industries Ltd filed Critical Daikin Industries Ltd
Publication of EP4180409A1 publication Critical patent/EP4180409A1/en
Publication of EP4180409A4 publication Critical patent/EP4180409A4/en
Pending legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00—Preparation of halogenated hydrocarbons
    • C07C17/07—Preparation of halogenated hydrocarbons by addition of hydrogen halides
    • C07C17/087—Preparation of halogenated hydrocarbons by addition of hydrogen halides to unsaturated halogenated hydrocarbons
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00—Preparation of halogenated hydrocarbons
    • C07C17/093—Preparation of halogenated hydrocarbons by replacement by halogens
    • C07C17/20—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms
    • C07C17/202—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms two or more compounds being involved in the reaction
    • C07C17/206—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms two or more compounds being involved in the reaction the other compound being HX
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00—Preparation of halogenated hydrocarbons
    • C07C17/25—Preparation of halogenated hydrocarbons by splitting-off hydrogen halides from halogenated hydrocarbons

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
EP21838009.5A 2020-07-10 2021-07-09 Method for manufacturing 2-chloro-1,1-difluoroethane (hcfc-142), 1,1,2-trifluoroethane (hfc-143), and (e)-1,2-difluoroethylene (hfo-1132 (e)) and/or (z)-1,2-difluoroethylene (hfo-1132 (z)) Pending EP4180409A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2020119061A JP7444719B2 (en) 2020-07-10 2020-07-10 2-chloro-1,1-difluoroethane (HCFC-142), 1,1,2-trifluoroethane (HFC-143), and (E)-1,2-difluoroethylene (HFO-1132(E)) and /Or method for producing (Z)-1,2-difluoroethylene (HFO-1132(Z))
PCT/JP2021/025945 WO2022009985A1 (en) 2020-07-10 2021-07-09 Method for manufacturing 2-chloro-1,1-difluoroethane (hcfc-142), 1,1,2-trifluoroethane (hfc-143), and (e)-1,2-difluoroethylene (hfo-1132 (e)) and/or (z)-1,2-difluoroethylene (hfo-1132 (z))

Publications (2)

Publication Number Publication Date
EP4180409A1 EP4180409A1 (en) 2023-05-17
EP4180409A4 true EP4180409A4 (en) 2024-08-07

Family

ID=79552551

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21838009.5A Pending EP4180409A4 (en) 2020-07-10 2021-07-09 Method for manufacturing 2-chloro-1,1-difluoroethane (hcfc-142), 1,1,2-trifluoroethane (hfc-143), and (e)-1,2-difluoroethylene (hfo-1132 (e)) and/or (z)-1,2-difluoroethylene (hfo-1132 (z))

Country Status (5)

Country Link
US (1) US12570590B2 (en)
EP (1) EP4180409A4 (en)
JP (2) JP7444719B2 (en)
CN (1) CN115836043A (en)
WO (1) WO2022009985A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6908060B2 (en) * 2019-01-16 2021-07-21 ダイキン工業株式会社 Azeotrope or azeotropic composition comprising 1-chloro-1,2-difluoroethane
JP7598043B2 (en) * 2023-01-23 2024-12-11 ダイキン工業株式会社 Method for producing purified trans-1,2-difluoroethylene (HFO-1132(E)) and composition containing HFO-1132(E)
CN120882682A (en) * 2023-03-31 2025-10-31 大金工业株式会社 Process for producing purified 1, 2-trifluoroethane (HFC-143) and composition containing HFC-143
WO2025095121A1 (en) * 2023-11-02 2025-05-08 セントラル硝子株式会社 Method for producing 1-chloro-2,2-difluoroethane (hcfc-142) from 1,1,2-trichloroethane (hcc-140)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5569794A (en) * 1994-05-24 1996-10-29 Alliedsignal Inc. Vapor phase process for producing hydroflourocarbons from perchloroethylene having a phenolic inhibitor
US5714651A (en) * 1995-12-28 1998-02-03 Elf Atochem North America, Inc. Use of polymerization inhibitor to prolong the life of a Lewis acid catalyst
US20140330051A1 (en) * 2011-10-12 2014-11-06 Bayer Intellectual Property Gmbh Catalytic gas phase fluorination of 1,1,2-trichloroethane and/or 1,2-dichloroethene to produce 1-chloro-2,2-difluoroethane
EP3196182A1 (en) * 2007-07-25 2017-07-26 Honeywell International Inc. Improved method for producing 2-chloro-3,3,3,-trifluoropropene (hcfc-1233xf)
US20170267612A1 (en) * 2013-12-04 2017-09-21 Arkema France Process for producing 1-chloro-2,2-difluoroethane
JP2019196312A (en) * 2018-05-07 2019-11-14 ダイキン工業株式会社 Manufacturing method of 1,2-difluoroethylene and/or 1,1,2-trifluoroethane

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3432562A (en) * 1965-09-24 1969-03-11 Phillips Petroleum Co Dehydrofluorination process and products
JPH01128945A (en) 1987-11-13 1989-05-22 Asahi Glass Co Ltd Method for stabilizing hydrogen-containing fluorocarbon
JPH01132539A (en) 1987-11-18 1989-05-25 Asahi Glass Co Ltd Stabilization of azeotropic composition
JPH01265042A (en) 1988-04-15 1989-10-23 Asahi Glass Co Ltd Stabilization of hydrogen-containing fluorocarbon
US4804493A (en) 1988-05-24 1989-02-14 E. I. Du Pont De Nemours And Company Stabilized azeotrope or azeotrope-like composition of 1,1,2-trichloro-1,2,2-trifluoroethane and trans-1,2-dichloroethylene
US5155082A (en) 1991-04-12 1992-10-13 Allied-Signal Inc. Catalyst for the manufacture of chlorofluorocarbons, hydrochlorofluorocarbons and hydrofluorocarbons
EP1008575A1 (en) * 1998-12-08 2000-06-14 Elf Atochem North America, Inc. Preparation of 1-chloro-2,2-difluoroethane ("142")
US6534688B2 (en) 2001-06-11 2003-03-18 Vulcan Chemicals Dehydrochlorination stabilization of polychlorinated alkanes
EP2258789A3 (en) 2004-12-21 2012-10-24 Honeywell International Inc. Stabilized iodocarbon compositions
US7745673B2 (en) * 2007-09-04 2010-06-29 International Isotopes Inc. Processes for producing hydrohalocarbon and halocarbon compounds using silicon tetrafluoride
JP5146466B2 (en) * 2007-12-14 2013-02-20 ダイキン工業株式会社 Method for producing pentafluoroethane
FR2948678B1 (en) 2009-07-28 2011-10-14 Arkema France HEAT TRANSFER METHOD

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5569794A (en) * 1994-05-24 1996-10-29 Alliedsignal Inc. Vapor phase process for producing hydroflourocarbons from perchloroethylene having a phenolic inhibitor
US5714651A (en) * 1995-12-28 1998-02-03 Elf Atochem North America, Inc. Use of polymerization inhibitor to prolong the life of a Lewis acid catalyst
EP3196182A1 (en) * 2007-07-25 2017-07-26 Honeywell International Inc. Improved method for producing 2-chloro-3,3,3,-trifluoropropene (hcfc-1233xf)
US20140330051A1 (en) * 2011-10-12 2014-11-06 Bayer Intellectual Property Gmbh Catalytic gas phase fluorination of 1,1,2-trichloroethane and/or 1,2-dichloroethene to produce 1-chloro-2,2-difluoroethane
US20170267612A1 (en) * 2013-12-04 2017-09-21 Arkema France Process for producing 1-chloro-2,2-difluoroethane
JP2019196312A (en) * 2018-05-07 2019-11-14 ダイキン工業株式会社 Manufacturing method of 1,2-difluoroethylene and/or 1,1,2-trifluoroethane

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2022009985A1 *

Also Published As

Publication number Publication date
EP4180409A1 (en) 2023-05-17
JP7444719B2 (en) 2024-03-06
JP2022121555A (en) 2022-08-19
JP2022022888A (en) 2022-02-07
US20230138340A1 (en) 2023-05-04
WO2022009985A1 (en) 2022-01-13
CN115836043A (en) 2023-03-21
US12570590B2 (en) 2026-03-10

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